package com.hernie.piggymall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.hernie.common.to.es.SkuEsModel;
import com.hernie.piggymall.search.config.PiggymallElasticSearchConfig;
import com.hernie.piggymall.search.constant.EsConstant;
import com.hernie.piggymall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @Author HuangJp
 * @Date 2022/3/13
 * @Description
 */
@Slf4j
@Service("productSaveService")
public class ProductSaveServiceImpl implements ProductSaveService {

    @Autowired
    private RestHighLevelClient restHighLevelClient;
    @Override
    public Boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {
        // 保存到es
        // 给es中建立索引。product 建立映射关系

        // 给es中保存这些数据
        BulkRequest bulkRequest = new BulkRequest();
        for (SkuEsModel skuEsModel : skuEsModels) {
            // 构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
            indexRequest.id(skuEsModel.getSkuId().toString());
            indexRequest.source(JSON.toJSONString(skuEsModel), XContentType.JSON);

            bulkRequest.add(indexRequest);
        }

        BulkResponse bulk = restHighLevelClient.bulk(bulkRequest, PiggymallElasticSearchConfig.COMMON_OPTIONS);

        // TODO 处理批量上架中的错误
        boolean b = bulk.hasFailures();
        List<String> collect = Arrays.stream(bulk.getItems()).map(item -> {
            return item.getId();
        }).collect(Collectors.toList());
        log.info("商品上架完成：{}", collect);
        return b;
    }
}
